PURCHASE HISTORY MANAGEMENT SYSTEM AND PURCHASE HISTORY MANAGEMENT METHOD

摘要

Provided is a purchase history management system comprising a purchase history management server and an information terminal device. The purchase history management server stores purchase history data of a product purchased at a store by a customer, in association with first product identification information. The information terminal device stores second product identification information. The first product identification information may be uniquely associated with the second product identification information. The purchase history data is non-customer-identifying information, whereby individual customers cannot be personally identified.